National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

39°F

4°C

Humidity 83%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 11 Jan 04:10 AM PST
Extended Forecast for

2 Miles SSW Cupertino CA

Cold Weather Advisory until January 11, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 11, 09:00am

    NOW until 9:00am Sun

    Cold Weather Advisory

  • Overnight

    Low: 36 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.

    High: 62 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41. Light east northeast wind.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Overnight
Areas of frost. Otherwise, partly cloudy, with a low around 36. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 40. Calm wind.
Monday
Sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Clear, with a low around 41. Light east northeast wind.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Cupertino CA
 37.28°N 122.06°W (Elev. 666 ft)
Last Update:
12:26 am PST Jan 11, 2026
Forecast Valid:
4am PST Jan 11, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation